PT-2018-2665 · Opensuse+4 · Libsolv+4

Jrohel

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Published

2018-12-28

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Updated

2021-03-15

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CVE-2018-20533

CVSS v2.0

7.1

High

VectorAV:N/AC:M/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions libsolv versions prior to 0.7.3
Description The issue is related to a NULL pointer dereference in the testcase str2dep complex function at ext/testcase.c in libsolvext.a of the libsolv library. This can cause a denial of service. The vulnerability can be exploited by a remote attacker to achieve a denial of service.
Recommendations For versions prior to 0.7.3, update to version 0.7.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the testcase str2dep complex function until a patch is available.

Exploit

Fix

DoS

NULL Pointer Dereference

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Weakness Enumeration

Related Identifiers

BDU:2019-01297
CESA-2019_2290
CVE-2018-20533
OPENSUSE-SU-2019:1927-1
OPENSUSE-SU-2019_1927-1
RHSA-2019:2290
RHSA-2019_2290
SUSE-RU-2019:2742-1
SUSE-SU-2019:1972-1
SUSE-SU-2019:2030-1
SUSE-SU-2019:2265-1
SUSE-SU-2020:2660-1
USN-3916-1
USN-4851-1

Affected Products

Centos
Red Hat
Suse
Ubuntu
Libsolv